Vulnerability Monitor

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CVE-2004-0257

OpenBSD 3.4 and NetBSD 1.6 and 1.6.1 allow remote attackers to cause a denial of service (crash) by sending an IPv6 packet with a small MTU to a listening port and then issuing a TCP connect to that port.

Published

2004-11-23T05:00:00.000

Last Modified

2025-04-03T01:03:51.193

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 5.0 (MEDIUM)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:N/A:P

  • Access Vector: NETWORK
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: NONE
  • Integrity Impact: NONE
  • Availability Impact: PARTIAL
Exploitability Score

10.0

Impact Score

2.9

Weaknesses
  • Type: Primary
    NVD-CWE-Other
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System netbsd netbsd 1.6 Yes
Operating System netbsd netbsd 1.6.1 Yes
Operating System openbsd openbsd 3.0 Yes
Operating System openbsd openbsd 3.1 Yes
Operating System openbsd openbsd 3.2 Yes
Operating System openbsd openbsd 3.3 Yes
Operating System openbsd openbsd 3.4 Yes
References